????????????????

(???????????????????????200092)

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1  ??????

???????????????1??150m??????1????????鳧??????λ??????????糧?????????150m??????????????????????鳧??????????????ú?????????3????????????????12000m²????????????????????????????????????????鳧????????????????????????屬???2?ν??У????????鳧??????б????????????????????????????????б???(??????????1)??

1??1???????

????????????????????????????18m????????20m??????11^#??12^#???????30m???????????????36m???????????20m????·???60m???????????????????168m?????????????????????????????15m??????????????55m???????????????????5lm????·1lOm??

????????????????????????????????????11^#??12^#??????????????????????????????????????????????????????У??????0??5cm??s??????????????????????????????????????

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1??2?????

(1)????????????88m????36m?????????????????????2????49??26m?????????????????????10m????????????????????0??7m??1??7m??????22??28??????????10@300??

(2)????ú???88m????15m????38??4m????????????????0??6m??1??5m??????16??32???????8@300?????????12??????2??

(3)???????????????ú???????????????????? 88m????41m????28m?????????????????????????????????????????档????????0??6m??1??5m??????16??32???????8@300?????????????? 0.6??1??2m??????16??25???????8@300?????????l 2??????2??

(4)??1 50m???????????????????????0??00m?????7??08m?????450mm?????????2??90m?????230mm?????????????50mm??????240mm??????????????????????5??6m????3??4m??????????+8??10m???????λ????????0??00m??????3??0m????1??5m?????????+16??00m????????6??3m?????40()mm????????????16@76????????????12@93???????????16@175???????????????l178m³??????183m³????????3311t?????+l 6??00m????????????????887m³?????1 64m³???????2545t??

2  ??????鳧?????????

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H =K (B +H_min )

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2??3????λ?????

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2??4??????鳧?????????

(1)????????????????????????????????????42mm??

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(3)????L=(3??5??2??3)B??????B????????????

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(5)???b???????????????貼??????????????????????????????С??????????????

(6)??????K(?黯??)????????????????????????????????????????????????????????????????????20????30????????????????????????????β????????????K????Χ600??1100g??m³??

(7)???????q=KaBH??n??????K????????a??????B?????????????H????????泤???n???????????

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2??5????·

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????ú??????????????2?????????????????????????1??HS2?Σ?2??HS3?Σ?????HS3?Σ?????HS3?Ρ?

??????????????????????????????????????????????·????1??2?????????????α????

3  ??150m?????????

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???????????Χ????????????????????????????鳧???????????????168m?????????????????п????????????????????????????????????????彫???????????????????н????????????????????????????????????????????????????150m?????????????????8??1m???????????????????????5??6m?????????????????????????п?????????????16m????????????????????п?λ???????????????λ?????????16m?????????η??????Ч???????????????????????????????????????????С??

3??2????????

(1)???????????????????????????????+16m???????????????????????????????????????????2m??Χ??????????????????????

 (2)??????????????????????????п??λ??????????????????????????λ??????????????3????1m????O??8m????????????????????????????????????????????????600g????????????????п??????

3??3?п?λ?ü????

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3??4?п???????????

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3??5?п??λ????????

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3??6  ???????

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(1)??С?????W??п?????????????W=200mm??

(2)????L=(0??65??0??70)Ó???280mm??

(3)???a=(1??2??2??O)W???400mm??

(4)???b= (0??6??0??9)a???350mm??

(5)?黯??????K?1800g??m³??

(6)???????q=KabÓ=100??8g????100g??

(7)??????????÷???β????

3??7????·

???С??????Ч?????????????????????MS2??MS4??????MS2?????????????????λ????λ???? MS4????????????????????λ???????п?????????????????????????????????????????????????·??

4??????????

4??1????????

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(3)??????????????????????д?????????????????λ?????????з???????????????

4??2??????

(1)??????????????????????50??110m??????3???????1 5??20m??????????3m??????2m????????????????????????30m??????????????????????????????????С?????????????????????????????????????

(2)???????11^#??12^#?????????????????????????????????????????1????80m??????2m????2m??????

5??????У??

5??1??????

??????????????????(GB6722??2003)????????????

??У?Q????????????????????kg??R???????????????????v?????????? cm??s??K??a?????????????????й????????????????????????

    ????ú?????????????11^#??12^#????????????R=71m?????????????Q=58kg??K?50??a?2?????????v=O??1 5cm/s

    ????????????????????ll^#??12^#??????????????R= 30m?????????????Q=6??5kg??K?50??a?2?????????v=O??19?M/s??

????????????????????????????????R=15m?????????????Q=20kg?????????v=1.6cm/s??

5??2????????

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????ú???????3100t??????????????11^#??12^#???????????R?90m??????????H=19m????????????0??68cm/s(????????????)??

150m??????п???????????2545t?????????????ll^#???????80m?????????55m???????????????1??42cm??s(????????????)??

    ????????????????????????????????2??3cm/s?????α???????????????????????????????????α??????????????豸?????????0??5cm/s??????????糧?豸?????а???????ü????????????????????????????????????????????1/3??1/4??

6????Ч???????

??????鳧??????????????α?????????????????鳧??????3?????嵹???????????????????????????????????????壬?????????????????????????????????????????????????????????????????г???????????????λ???????????Χ???????Ч??????????????α???糧2???????????????磬??????г?????????????????????????????????????????????????????????У??????????????????????????????????????????????????????α???????????????????????

(1)??????鳧???????????????????????????????????????????????????????????????????????

(2)?????????????????12m????????壬???????????????????????????????????α?????????????????塣

(3)????????????????????????????????????????????????λ???????????????????λ??????????????????????????????

?ο??????

[1]????????????[M]?????????????????磬2010??

[2]??????????????????????[M]?????????????????磬2009??

[3]?????У??????????????[M]?????????????????磬1999??

[4]???????????????????????????????[J]??????????2009??26(1)??1??4??

[5]???????????????????????????????????[J]??????????2004??lO(4)??26??30??

[6]????????110m??????120m??????????[J]???????2008??25(4)??48??52??

[7]?л?????????????????????(GB6722-2003)[S]?????????й???????棬2004??

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